<template>
  <div>
    <el-breadcrumb separator-class="el-icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>数据统计</el-breadcrumb-item>
        <el-breadcrumb-item>数据报表</el-breadcrumb-item>   
    </el-breadcrumb>
    <el-card>
        <div id="main" style="wedth:600px;height:400px"></div>
    </el-card>
  </div>
</template>

<script>
import echarts from 'echarts'
import _ from  'lodash'
export default {
    data() {
        return {
           options: {
                    title: {
                    text: '用户来源'
                    },
                    tooltip: {
                    trigger: 'axis',
                    axisPointer: {
                        type: 'cross',
                        label: {
                        backgroundColor: '#E9EEF3'
                        }
                    }
                    },
                    grid: {
                    left: '3%',
                    right: '4%',
                    bottom: '3%',
                    containLabel: true
                    },
                    xAxis: [
                    {
                        boundaryGap: false
                    }
                ],
                    yAxis: [
                    {
                        type: 'value'
                    }
                ]
            }
        }
    }, 
    async mounted() {
        var myChart = echarts.init(document.getElementById('main'))
        const {data:res} = await this.$http.get('reports/type/1')
        if(res.meta.status !== 200) {
            return this.$message.error('获取数据失败')
        }
        const result =  _.merge(res.data,this.options)
        this.$message.success('获取数据成功')
        myChart.setOption(result)
    },
}
</script>

<style>

</style>